| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Bill Barretta | Crew | Directing | Director | 1 |
 Bill Prady | Crew | Writing | Writer, Creator | 2 |
 Bob Kushell | Crew | Writing | Writer, Story, Teleplay, Creator | 2 |
 Jim Henson | Crew | Writing | Characters | 16 |
 Matt Sohn | Crew | Directing | Director | 3 |
 Nell Scovell | Crew | Writing | Teleplay, Writer, Story | 2 |
 Randall Einhorn | Crew | Directing | Director | 11 |
 Scott Weinger | Crew | Writing | Writer | 1 |
Steve Rudnick | Crew | Writing | Teleplay, Writer, Story | 1 |
 Emily R. Wilson | Crew | Writing | Writer | 4 |
Jordan Reddout | Crew | Writing | Writer, Teleplay | 1 |
Shane Kosakowski | Crew | Writing | Story, Teleplay, Writer | 1 |
Bill Barretta | Cast | Actor | Pepe the King Prawn / Dr. Teeth / Rowlf / Bobo the Bear (voice) | 2 |
 Bruce Lanoil | Cast | Actor | Additional Muppet Performer (voice) | 12 |
 Christina Applegate | Cast | Actress | Self | 1 |
 Dave Goelz | Cast | Actor | The Great Gonzo / Waldorf / Zoot (voice) | 16 |
 Dave Grohl | Cast | Actor | Self | 1 |
 David Rudman | Cast | Actor | Janice / Scooter / Satay (voice) | 2 |
 Elizabeth Banks | Cast | Actress | Self | 1 |
 Ian Ziering | Cast | Actor | Ian Ziering | 1 |
 Jason Bateman | Cast | Actor | Self | 1 |
 Jay Leno | Cast | Actor | Self | 1 |
 Jere Burns | Cast | Actor | Carl | 1 |
 Jim Turner | Cast | Actor | Man | 1 |
 Jimm Giannini | Cast | Actor | Guiseppe | 1 |
 Joan Jett | Cast | Actress | Self | 1 |
 Joseph Gordon-Levitt | Cast | Actor | Self | 1 |
 Julianne Buescher | Cast | Actress | Denise (voice) | 1 |
 Kevin Carlson | Cast | Actor | Additional Muppet Performer (voice) | 2 |
 Kristin Chenoweth | Cast | Actress | Self | 1 |
 Laurence Fishburne | Cast | Actor | Self | 1 |
 Layla Alizada | Cast | Actress | Betty | 5 |
 Lea Thompson | Cast | Actress | Self | 1 |
 Marco Rodríguez | Cast | Actor | Older Latino Man | 1 |
 Matt Vogel | Cast | Actor | Uncle Deadly / Lew Zealand / Crazy Harry / Snowth (voice) | 1 |
 Meagen Fay | Cast | Actress | Holly | 1 |
 Michelan Sisti | Cast | Actor | Additional Muppet Performer (voice) | 10 |
 Nick Offerman | Cast | Actor | Self | 1 |
 Reese Witherspoon | Cast | Actress | Self | 1 |
 Rosalind Chao | Cast | Actress | Woman #1 | 1 |
 RuPaul | Cast | Actor | Self | 1 |
Sean W. Johnson | Cast | Actor | Additional Muppet Performer (voice) | 1 |
 Stacey Moseley | Cast | Actress | Cheryl | 1 |
 Steve Whitmire | Cast | Actor | Kermit / Statler / Beaker / Rizzo (voice) | 16 |
 Tom Bergeron | Cast | Actor | Self | 1 |
 Tyler Bunch | Cast | Actor | Additional Muppet Performer (voice) | 3 |
 Willie Nelson | Cast | Actor | Self | 1 |
 Chelsea Handler | Cast | Actress | Self | 1 |
 Ed Helms | Cast | Actor | Self | 1 |
 Eric Jacobson | Cast | Actor | Miss Piggy / Fozzie Bear / Animal (voice) | 16 |
 Jack White | Cast | Actor | Self | 1 |
 Jonathan Dixon | Cast | Surveyor | 1 | |
 Jordan Peele | Cast | Actor | Self | 1 |
 Josh Groban | Cast | Actor | Self | 1 |
 June Diane Raphael | Cast | Actress | Lucy Royce | 2 |
 Keegan-Michael Key | Cast | Actor | Self | 1 |
 Lara Spencer | Cast | Actress | Lara Spencer | 1 |
 Mindy Kaling | Cast | Actress | Self | 1 |
 Reza Aslan | Cast | Actor | Reza Aslan | 1 |
 Riki Lindhome | Cast | Actress | Becky | 3 |
 Tim Lagasse | Cast | Actor | Additional Muppet Performer (voice) | 10 |
 Treisa Gary | Cast | Actress | Patient | 1 |
 Utkarsh Ambudkar | Cast | Actor | Pache | 3 |
 Chris Jai Alex | Cast | Actor | Cop | 1 |
 Ingrid Michaelson | Cast | Actress | Self | 1 |
 Kat Purgal | Cast | Actress | Gwynne | 1 |
 Liam Hemsworth | Cast | Actor | Self | 1 |
 Mike Ostroski | Cast | Actor | Husband | 1 |
 Ben Seaward | Cast | Extra! Reporter | 1 | |
Connor Rosen | Cast | Actor | Child | 1 |
 Kamilla Alnes | Cast | Actress | Model | 1 |
 Lauran September | Cast | Actress | Sabrina | 1 |
Nilla Watkins | Cast | Kim | 1 | |
 Hilty Bowen | Cast | Actress | Model | 1 |
 Avi Kaplan | Cast | Actor | Pentatonix | 1 |
 Kevin Olusola | Cast | Actor | Pentatonix | 1 |
 Mitch Grassi | Cast | Actor | Pentatonix | 1 |
 Scott Hoying | Cast | Actor | Pentatonix | 1 |
 Mike Quinn | Cast | Actor | Additional Muppet Performer (voice) | 12 |
 Alice Dinnean | Cast | Actress | Alynda (voice) | 1 |
 Kirstin Maldonado | Cast | Actress | Pentatonix | 1 |
 Peter Linz | Cast | Actor | Angel Marie / Walter / Happy Yellow Creature (voice) | 16 |
 Dan Reynolds | Cast | Actor | Self - Imagine Dragons | 1 |
 Ben McKee | Cast | Actor | Self - Imagine Dragons | 1 |
 Wayne Sermon | Cast | Actor | Self - Imagine Dragons | 1 |
 James Murray | Cast | Actor | Additional Muppet Performer (voice) | 1 |
Michael Cotter | Cast | Actor | Stage Manager | 1 |
 Joy Jacobson | Cast | Actress | Wife | 1 |
 Keylor Leigh | Cast | Actress | Nurse | 1 |
 Luwam Mikael | Cast | Actress | Girl | 1 |
 Petra Sprecher | Cast | Actress | Aerial Instructor | 1 |
Jason Galloway | Cast | Actor | Audience Member | 1 |
 Tracy Anderson | Cast | Self | 1 | |
 Gregory Santos | Cast | Actor | Barista | 1 |
| Person | Type | Job | Role(s) | Episodes |
